Cyffuriau A i Y
- Lay onDiffiniad
- LAAMDiffiniad
- LodnwmDiffiniad
- LidocenDiffiniad
- LinctusDiffiniad
- Llinell.Diffiniad
- LSDLSD
- LSDLSD
- LebCanabis
- LebanseseCanabis
- LediCocên
- LibertiesMagic Mushrooms
- Liberty CapsMagic Mushrooms
- LibriumBenzodiazepinau
- LinctusMethadone
- Liquid EGHB
- Liquid EcstasyGHB
- Liquid GoldPopwyr
- Liquid XGHB
- LisdexamfetamineLisdexamfetamine
- Lisdexamfetamine DimesylateLisdexamfetamine
- LorazepamBenzodiazepinau
- Lorazepam (Ativan)Benzodiazepinau
- LyricaGabapentin
- LysergeLSD
- Lysergic Acid DiethylamideLSD